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  <title>List databases available on a FrontBase server</title>

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</div><hr /><div id="function.fbsql-list-dbs" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">fbsql_list_dbs</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.0.6, PHP 5)</p><p class="refpurpose"><span class="refname">fbsql_list_dbs</span> &mdash; <span class="dc-title">List databases available on a FrontBase server</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.fbsql-list-dbs-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">resource</span> <span class="methodname"><strong>fbsql_list_dbs</strong></span>
    ([ <span class="methodparam"><span class="type">resource</span> <code class="parameter">$link_identifier</code></span>
  ] )</div>

  <p class="para rdfs-comment">
   Return a result pointer containing the databases available from the
   current fbsql daemon. Use the <span class="function"><a href="function.fbsql-tablename.html" class="function">fbsql_tablename()</a></span> to
   traverse this result pointer.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.fbsql-list-dbs-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    <dt>
<em><code class="parameter">
link_identifier</code></em></dt>
<dd>
<p class="para">由
<span class="function"><a href="function.fbsql-connect.html" class="function">fbsql_connect()</a></span> 或
<span class="function"><a href="function.fbsql-pconnect.html" class="function">fbsql_pconnect()</a></span> 返回的 FrontBase 链接标识符.</p>
<p class="para">如可选并未指定，函数会尝试查找一个到 FrontBase 服务器的开放链接，且如没有找到这样的链接，会尝试通过不带参数调用 <span class="function"><a href="function.fbsql-connect.html" class="function">fbsql_connect()</a></span> 来创建一个。</p>
</dd>

   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.fbsql-list-dbs-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns a result pointer or <strong><code>FALSE</code></strong> on error.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.fbsql-list-dbs-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-1103">
    <p><strong>Example #1 <span class="function"><strong>fbsql_list_dbs()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$link&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">fbsql_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'myname'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'secret'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$db_list&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">fbsql_list_dbs</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /><br />while&nbsp;(</span><span style="color: #0000BB">$row&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">fbsql_fetch_object</span><span style="color: #007700">(</span><span style="color: #0000BB">$db_list</span><span style="color: #007700">))&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #0000BB">$row</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">Database&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程的输出类似于：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
database1
database2
database3
...
</pre></div>
    </div>
   </div>
  </p>
  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <p class="para">
    The above code would just as easily work with
    <span class="function"><a href="function.fbsql-fetch-row.html" class="function">fbsql_fetch_row()</a></span> or other similar functions.
   </p>
  </p></blockquote>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.fbsql-list-dbs-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.fbsql-list-fields.html" class="function" rel="rdfs-seeAlso">fbsql_list_fields()</a> - List FrontBase result fields</span></li>
    <li class="member"><span class="function"><a href="function.fbsql-list-tables.html" class="function" rel="rdfs-seeAlso">fbsql_list_tables()</a> - List tables in a FrontBase database</span></li>
   </ul>
  </p>
 </div>


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